[isalist] Re: OT: DNS and Forwarders

  • From: "Thomas W Shinder" <tshinder@xxxxxxxxxxx>
  • To: <isalist@xxxxxxxxxxxxx>
  • Date: Wed, 18 Oct 2006 11:11:11 -0500

http://www.ISAserver.org
-------------------------------------------------------

It does work.

Thomas W Shinder, M.D.
Site: www.isaserver.org
Blog: http://blogs.isaserver.org/shinder/
Book: http://tinyurl.com/3xqb7
MVP -- Microsoft Firewalls (ISA)

 

> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx 
> [mailto:isalist-bounce@xxxxxxxxxxxxx] On Behalf Of Michael Ross
> Sent: Wednesday, October 18, 2006 11:08 AM
> To: isalist@xxxxxxxxxxxxx
> Subject: [isalist] Re: OT: DNS and Forwarders
> 
> http://www.ISAserver.org
> -------------------------------------------------------
>   
> I think it's a bug in 2003's DNS.. They have the "cache pollution
> protection" tick box, but personally I don't think it works.
> I created a job that runs every day that clears the cache on the
> server(s) affected. 
> 
> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx 
> [mailto:isalist-bounce@xxxxxxxxxxxxx]
> On Behalf Of ISA
> Sent: Wednesday, October 18, 2006 11:03 AM
> To: isalist@xxxxxxxxxxxxx
> Subject: [isalist] Re: OT: DNS and Forwarders
> 
> http://www.ISAserver.org
> -------------------------------------------------------
>   
> Thanks Mike:
> 
> I will try clearing the cache - but this happens now about everyday
> (morning usually). I really have to find the source of the problem. 
> 
>  
> 
> Joseph Danielsen, MCSA-Messaging, MCP
> 
> Network Blade Inc.
> 
> 49 Marcy Street
> 
> Somerset, NJ 08873
> 
> 732-213-0600
> 
> www.networkblade.com
> 
>  
> 
>  
> 
> 
> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx 
> [mailto:isalist-bounce@xxxxxxxxxxxxx]
> On Behalf Of Michael Ross
> Posted At: Wednesday, October 18, 2006 12:01 PM Posted To: ISA
> Conversation: [isalist] OT: DNS and Forwarders
> Subject: [isalist] Re: OT: DNS and Forwarders
> 
> http://www.ISAserver.org
> -------------------------------------------------------
>   
> Windows 2003 DNS servers? 
> Believe it or not, ive seen that . It's a cache pollution type of
> behavior, with no logging or other signs to prove that.
> Try to clear the DNS cache next time and see if it helps. 
> 
> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx 
> [mailto:isalist-bounce@xxxxxxxxxxxxx]
> On Behalf Of ISA
> Sent: Wednesday, October 18, 2006 10:59 AM
> To: isalist@xxxxxxxxxxxxx
> Subject: [isalist] OT: DNS and Forwarders
> 
> http://www.ISAserver.org
> -------------------------------------------------------
>   
> Steve: Funny you should say that because I've done that a few times. 
> 
> DNS stops - I removed the forwards - Restart DNS - DNS works.
> DNS stops - I change the forwards - Restart DNS - DNS works.
> 
> I want to blame my server but I'm just not sure where the failure is.
> 
>  
> 
> Joseph Danielsen, MCSA-Messaging, MCP
> 
> Network Blade Inc.
> 
> 49 Marcy Street
> 
> Somerset, NJ 08873
> 
> 732-213-0600
> 
> www.networkblade.com
> 
>  
> 
>  
> 
> 
> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx 
> [mailto:isalist-bounce@xxxxxxxxxxxxx]
> On Behalf Of Steve Moffat
> Posted At: Wednesday, October 18, 2006 11:55 AM Posted To: ISA
> Conversation: [isalist] OT: DNS and Forwarders
> Subject: [isalist] Re: OT: DNS and Forwarders
> 
> http://www.ISAserver.org
> -------------------------------------------------------
>   
> Remove the forwarders.....then see how fast your Internet speed
> gets...:)
> 
> S
> 
> -----Original Message-----
> From: isalist-bounce@xxxxxxxxxxxxx 
> [mailto:isalist-bounce@xxxxxxxxxxxxx]
> On Behalf Of ISA
> Sent: Wednesday, October 18, 2006 12:49 PM
> To: ISA Mailing List
> Subject: [isalist] OT: DNS and Forwarders
> 
> http://www.ISAserver.org
> -------------------------------------------------------
> 
> Hello All -
> 
> This might be off-topic, but has anyone every had their Windows DNS/DC
> server intermittently stop forwarding DNS requests?
> 
> I checked with the ISP and they don't recognize and problems on their
> end.
> 
> JD
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